C1669 Code - Incomplete Lock Release
Quick Answer
The 4 Wheel Active Steer (4WAS) front lock solenoid valve (lock structure) is controlled by the 4WAS front control unit, and locks/unlocks 4WAS front actuator. Common causes include Faulty 4WAS Front Actuator, 4WAS Front Actuator harness is open or shorted, 4WAS Front Actuator circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- C1669 indicates Incomplete Lock Release.
- Common causes
- Common causes include Faulty 4WAS Front Actuator, 4WAS Front Actuator harness is open or shorted, 4WAS Front Actuator circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code C1669 Description
What are the Possible Causes of the DTC C1669?
- Faulty 4WAS Front Actuator
- 4WAS Front Actuator harness is open or shorted
- 4WAS Front Actuator circuit poor electrical connection
How to Fix the DTC C1669?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1669 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Get the C1669 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C1669 Infiniti — Incomplete Lock Release
- C1669 Nissan — Incomplete Lock Release
Frequently Asked Questions about C1669 Code
1. What does the OBDII code C1669 mean?
C1669 indicates an "Incomplete Lock Release," typically related to issues with a locking mechanism, often in systems like electronic parking brakes or door locks.
2. What are the common symptoms of code C1669?
Symptoms may include a warning light on the dashboard, failure of the parking brake to release, difficulty opening or closing locks, or unusual noises during lock operation.
3. What causes the C1669 code to appear?
Common causes include mechanical binding in the locking mechanism, electrical issues like a faulty actuator or wiring, or a malfunctioning control module.
4. Can I still drive with the C1669 code present?
In most cases, driving is possible, but safety could be compromised if the issue affects the parking brake or critical locking systems. Immediate diagnosis and repair are recommended.
5. How is the C1669 code diagnosed?
A technician uses a scan tool to confirm the code, then inspects the locking mechanism, electrical connections, and related components for damage, obstruction, or faults.
6. What repairs are needed to fix the C1669 code?
Repairs may include cleaning or lubricating the locking mechanism, replacing a faulty actuator, repairing damaged wiring, or reprogramming the control module.
7. Can a dead battery cause the C1669 code?
Yes, low voltage or a dead battery can disrupt the locking system’s operation and trigger this code.
8. What tools are needed to repair the C1669 code?
Tools may include a diagnostic scan tool, multimeter, and basic mechanical tools for inspecting and repairing the locking mechanism or wiring.
9. How much does it cost to fix the C1669 code?
Repair costs vary depending on the root cause, but typical expenses range from $100 to $500, including parts and labor.
10. Can I clear the C1669 code without repairs?
Clearing the code with a scan tool is possible, but it will likely return unless the underlying issue is resolved.
Discuss the causes and fixes for C1669 OBDII Code
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